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Table 1 <br /> Groundwater Elevation and Analytical Data(CHEVRON) <br /> Chevron Service Station 99 4275 <br /> 2905 Benjamin Holt Drive <br /> Stmktcn caldomia <br /> Well Groundwater Depth Ethyl Xylenes <br /> Well Date Elevation Elevation to Water TPHg Benzene Toluene benzene (total) MtBE <br /> ID Sampled (14 MSL) A MSL) (h TOC) NO) (u94) (ug4) NO) NO) NO <br /> MW-1 03/22/89 224 -1405 1629 30 000 3 600 1 300 1 100 2 700 <br /> 06112/89 -1467 1691 20 000 4 400 1 600 2 900 5 900 <br /> 09/07/89 1614 1838 20 000 4 100 480 920 1 500 <br /> 12/18/89 -1536 1760 17 000 4200 200 17 1200 <br /> 03/20/90 1498 17 22 13 000 6 400 580 2200 1200 <br /> 07/03/90 1580 18 04 17,000 4 800 410 1 300 1200 — <br /> 10/19/90 1710 19 34 16 000 4 800 290 1 700 700 <br /> 10/19/90 (D) - - 17 000 5 600 270 1 700 660 — <br /> 01/17/91 1680 19 04 10 000 3 100 38 950 170 <br /> 01/17/91 (D) 9 800 3200 39 980 170 — <br /> 03/19/91 - 16 000 2 900 45 960 290 <br /> 07/18/91 -1696 1920 12 000 3 300 90 1 100 250 <br /> 07!18191 (D) - 12 000 3 300 90 1,100 250 <br /> 10/31/91 -1738 19 62 9 800 2 600 18 720 180 <br /> 01!16192 1658 18 82 12 000 3 600 54 960 370 <br /> 03!11/92 15 38 17 62 - <br /> 03/17/92 1536 1760 9 800 3 600 150 700 360 <br /> 06!29!92 1698 1922 7 700 3 000 33 600 230 <br /> 12/10/92 1752 1976 4 900 1 300 26 220 130 <br /> 021D4193 1042 1266 15 000 3,100 70 920 540 <br /> 05/18/93 1362 1586 8 800 1 900 120 730 840 <br /> 08/05/93 -1450 1674 29 000 9 400 1 800 2 900 4 900 <br /> 11/09/93 -15 00 1724 13 000 3 600 110 810 870 <br /> 01/18/94 -1474 16 98 24 000 5 600 100 1900 2 300 <br /> 06127/94 1401 1625 8 400 2 300 59 520 700 <br /> 09729/94 1520 1744 9 600 2 100 25 530 590 <br /> 12108/94 1478 1702 5 700 1 300 19 290 260 — <br /> 03/08/95 1252 1476 4 600 1 100 c25 230 260 — <br /> 06/01/95 -1099 1323 27 000 4 100 300 1 800 4 000 <br /> 09/11/95 -1293 1517 12 000 2 400 140 790 1900 <br /> 12/05/95 1346 1570 8,800 2 500 32 450 710 <br /> 11Chevronl942751Penadic Monitonng\QMR194275-NFxis 1 of 20 <br />